Micro screw clamping structure

Abstract

The utility model provides a miniature screw clamping structure which comprises a screw head, a spring seat is fixedly installed at the bottom of the screw head, a buffer spring is fixedly installed at the bottom of the spring seat, a spring pad is fixedly installed at the bottom of the buffer spring, a threaded rod is connected to the bottom of the screw head in a welded mode, and a threaded rod is connected to the bottom of the threaded rod in a welded mode. The outer side of the threaded rod is in threaded connection with a nut, and a clamping assembly is arranged on the outer side of the threaded rod. According to the micro screw clamping structure, the buffer spring and the spring pad are arranged, when the micro screw is tightened, the buffer spring is compressed between the screw head and a fastened part, due to the elastic restoring force of the buffer spring, the micro screw can keep certain pre-tightening force under the conditions of vibration and the like, looseness is prevented, meanwhile, the clamping assembly is arranged, and the clamping assembly is not prone to loosening. The clamping assembly can be clamped below a fastened part, the micro screw and the fastened part cannot loosen or deviate even if the situations such as vibration and shaking occur, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field related to micro screws, and in particular to a micro screw clamping structure. Background Art

[0002] A screw is a tool that uses the physical and mathematical principles of the circular rotation of an object's inclined surface and friction to gradually fasten objects and machine parts. Screw is a general term for fasteners and a daily colloquialism. Screws are an indispensable industrial necessity in daily life. At the same time, screws have important tasks in industry. As long as there is industry on the earth, the function of screws will always be important. Therefore, a micro screw clamping structure is particularly needed.

[0003] However, in the existing micro screw design, when the micro screw is tightened, it may become loose due to vibration, causing the micro screw to fall off, thereby affecting the use. Serious accidents may also occur due to the loosening of the micro screw. At the same time, the existing micro screws are all integrated structures. If the thread is damaged, it needs to be replaced completely, which increases a certain cost and causes the problem of waste of materials. Utility Model Content

[0004] The purpose of the utility model is to provide a micro screw clamping structure to solve the problem that the existing micro screw design proposed in the above background technology may become loose due to vibration when the micro screw is tightened, causing the micro screw to fall off, thereby affecting the use and may also cause serious accidents. At the same time, the existing micro screws are all integrated structures. If the thread is damaged, it needs to be replaced completely, which increases a certain cost and causes a waste of materials.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a micro screw clamping structure, comprising a screw head, a spring seat fixedly installed at the bottom of the screw head, a buffer spring fixedly installed at the bottom of the spring seat, a spring pad fixedly installed at the bottom of the buffer spring, a threaded rod welded to the bottom of the screw head, a nut threadedly connected to the outer side of the threaded rod, and a clamping assembly arranged on the outer side of the threaded rod.

[0006] Preferably, the spring seat, the buffer spring and the spring washer are not in contact with the threaded rod, and the threaded rod and the nut are matched.

[0007] Preferably, the clamping assembly includes a left lock buckle, a clamping groove, a silicone pad, a circular groove, a left push button, a U-shaped magnetic block, a through hole one, a limiting column, a right lock buckle, an installation groove, a clamping block, a tenon groove, a right push button, a square magnetic block, a through hole two and a tenon, a left lock buckle is arranged on the outer side of the threaded rod, a clamping groove is opened on the outer side of the left lock buckle, a silicone pad is fixedly installed on the outer side of the left lock buckle, a circular groove is opened on the top of the left lock buckle, a left push button is fixedly installed on the outer side of the left lock buckle, and the left lock buckle A U-shaped magnetic block is fixedly installed on the top through a limiting column, a through hole 1 is opened on the top of the U-shaped magnetic block, a right lock buckle is arranged on the outer side of the threaded rod, a mounting groove is opened on the top of the right lock buckle, a clamping block is fixedly installed on the outer side of the right lock buckle, a tenon is opened on the outer side of the right lock buckle, a right press button is fixedly installed on the outer side of the right lock buckle, a square magnetic block is fixedly installed on the top of the right lock buckle through a tenon, a through hole 2 is opened on the outer side of the square magnetic block, and the clamping assembly is in contact with the threaded rod.

[0008] Preferably, the engaging slot and the engaging block are matched, and the left push button and the right push button are of the same size and structure.

[0009] Preferably, the circular groove has the same aperture as the first through hole, and the limiting column is compatible with both the circular groove and the first through hole.

[0010] Preferably, the diameter of the tenon groove is the same as that of the second through hole, and the tenon is compatible with the tenon groove and the second through hole.

[0011] Preferably, the left push button and the right push button are of the same size, and the U-shaped magnetic block is in contact with the square magnetic block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the micro screw clamping structure is provided with a buffer spring and a spring pad. When the micro screw is tightened, the buffer spring is compressed between the screw head and the fastened component. Due to the elastic restoring force of the buffer spring, the micro screw can maintain a certain pre-tightening force under vibration and other conditions to prevent loosening. At the same time, a clamping assembly is provided. When the micro screw and the fastened component are locked, the clamping assembly can be clamped under the fastened component, which can effectively clamp the micro screw and the fastened component firmly above the clamping assembly. Under the mutual attraction force of the magnetic blocks, even if vibration and shaking occur, the micro screw and the fastened component will not loosen or deviate, which greatly improves the overall stability. At the same time, according to the structure of the clamping assembly, parts damaged after long-term use can be effectively replaced, thereby reducing production costs, and the operation is simple and convenient, with high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional split structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0016] Figure 4 It is a schematic diagram of the disassembled structure of the clamping assembly of the utility model.

[0017] In the figure: 1. screw head; 2. spring seat; 3. buffer spring; 4. spring washer; 5. threaded rod; 6. nut; 7. clamping assembly; 701. left lock buckle; 702. clamping groove; 703. silicone pad; 704. circular groove; 705. left push button; 706. U-shaped magnetic block; 707. through hole one; 708. limiting column; 709. right lock buckle; 710. installation groove; 711. clamping block; 712. tenon groove; 713. right push button; 714. square magnetic block; 715. through hole two; 716. tenon. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a micro screw clamping structure, including a screw head 1, a spring seat 2 is fixedly installed at the bottom of the screw head 1, a buffer spring 3 is fixedly installed at the bottom of the spring seat 2, a spring pad 4 is fixedly installed at the bottom of the buffer spring 3, a threaded rod 5 is welded and connected to the bottom of the screw head 1, a nut 6 is threadedly connected to the outer side of the threaded rod 5, and a clamping assembly 7 is arranged on the outer side of the threaded rod 5.

[0020] Furthermore, the spring seat 2, the buffer spring 3 and the spring washer 4 do not contact the threaded rod 5, and the threaded rod 5 and the nut 6 are adapted to each other. Through the arrangement of the spring seat 2, the buffer spring 3 and the spring washer 4, when the micro screw is tightened, the buffer spring 3 is compressed between the screw head 1 and the fastened component. Due to the elastic restoring force of the buffer spring 3, the micro screw can maintain a certain pre-tightening force even under vibration and other conditions to prevent loosening.

[0021] Furthermore, the clamping assembly 7 includes a left lock buckle 701, a clamping groove 702, a silicone pad 703, a circular groove 704, a left push button 705, a U-shaped magnetic block 706, a through hole 1 707, a limiting column 708, a right lock buckle 709, a mounting groove 710, a clamping block 711, a tenon groove 712, a right push button 713, a square magnetic block 714, a through hole 2 715 and a tenon 716. The outer side of the threaded rod 5 is provided with a left lock buckle The left lock buckle 701 has a snap-on groove 702 on its outer side, a silicone pad 703 is fixedly installed on its outer side, a circular groove 704 is opened on the top of the left lock buckle 701, a left push button 705 is fixedly installed on the outer side of the left lock buckle 701, a U-shaped magnetic block 706 is fixedly installed on the top of the left lock buckle 701 through a limiting column 708, a through hole 707 is opened on the top of the U-shaped magnetic block 706, and a threaded A right lock buckle 709 is provided on the outer side of the rod 5, and a mounting groove 710 is provided on the top of the right lock buckle 709, a clamping block 711 is fixedly installed on the outer side of the right lock buckle 709, a tenon groove 712 is provided on the outer side of the right lock buckle 709, and a right press button 713 is fixedly installed on the outer side of the right lock buckle 709. A square magnetic block 714 is fixedly installed on the top of the right lock buckle 709 through a tenon 716, and a through hole 2 715 is provided on the outer side of the square magnetic block 714. The clamping component 7 is in contact with the threaded rod 5. Through the setting of the clamping component 7, when the micro screw is locked with the fastened component, the clamping component 7 can be clamped under the fastened component, which can effectively clamp the micro screw and the fastened component firmly above the clamping component 7. Even if vibration and shaking occur, the micro screw and the fastened component will not loosen or deviate, thereby greatly improving the overall stability.

[0022] Furthermore, the snap-fitting slot 702 and the clamping block 711 are adapted to each other, and the left push button 705 and the right push button 713 are of the same size and structure. Through the cooperation between the snap-fitting slot 702 and the clamping block 711, the left lock buckle 701 and the right lock buckle 709 can be better connected completely. At the same time, the setting of the left push button 705 and the right push button 713 makes it easier for the user to press and clamp.

[0023] Furthermore, the circular groove 704 has the same aperture as the through hole 1 707, and the limiting post 708 is compatible with the circular groove 704 and the through hole 1 707. Through the cooperation between the circular groove 704 and the through hole 1 707 and the limiting post 708 and the circular groove 704 and the through hole 1 707, the U-shaped magnetic block 706 can be well fixed on the left lock buckle 701, thereby improving the overall stability.

[0024] Furthermore, the aperture of the tenon groove 712 is the same as that of the second through hole 715, and the tenon 716 is matched with the tenon groove 712 and the second through hole 715. Through the cooperation between the tenon groove 712 and the second through hole 715 and the tenon 716 and the tenon groove 712 and the second through hole 715, the square magnetic block 714 can be well fixed on the left lock buckle 701, thereby improving the overall stability.

[0025] Furthermore, the left push button 705 and the right push button 713 are of the same size, and the U-shaped magnet 706 is in contact with the square magnet 714. Through the cooperation between the U-shaped magnet 706 and the square magnet 714, the left lock buckle 701 and the right lock buckle 709 are firmly attracted to each other, further enhancing the stability between them, so that the micro screw is clamped on the threaded rod 5.

[0026] Working principle: When in use, the staff will weld the screw head 1 and the threaded rod 5, and then install the spring seat 2, buffer spring 3 and spring pad 4 on the bottom of the screw head 1. At this time, the staff will screw the installed micro screw on the top of the fastened part, and place the nut 6 under the fastened part, so that the micro screw passes through the fastened part and extends to the bottom of the nut 6. At this time, the buffer spring 3 is compressed between the screw head 1 and the fastened part. Due to the elastic restoring force of the buffer spring 3, the micro screw can maintain a certain pre-tightening force under vibration and other conditions to prevent loosening. At this time, the staff will clamp the clamping assembly 7 on the threaded rod 5 and at the same time be located under the nut 6. The staff will The clamping block 711 is docked with the clamping groove 702, and the staff presses the left push button 705 and the right push button 713 to make the left lock buckle 701 and the right lock buckle 709 tightly connected. At the same time, under the mutual action of the U-shaped magnetic block 706 and the square magnetic block 714, the left lock buckle 701 and the right lock buckle 709 are tightened again, so that the silicone pad 703 is in tight contact with the threaded rod 5. Because the silicone pad 703 is elastic, it will not damage the thread and can also firmly clamp the micro screw and the fastened component. At this time, the clamping process of the micro screw is completed. If it is necessary to replace the parts, the staff only needs to reverse the above process to separate the micro screw and the fastened component. The operation is simple and convenient.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A micro screw clamping structure, comprising a screw head (1), characterized in that: A spring seat (2) is fixedly mounted on the bottom of the screw head (1), a buffer spring (3) is fixedly mounted on the bottom of the spring seat (2), a spring pad (4) is fixedly mounted on the bottom of the buffer spring (3), a threaded rod (5) is welded to the bottom of the screw head (1), a nut (6) is threadedly connected to the outer side of the threaded rod (5), and a clamping assembly (7) is arranged on the outer side of the threaded rod (5).

2. A micro screw clamping structure according to claim 1, characterized in that: The spring seat (2), the buffer spring (3) and the spring pad (4) are not in contact with the threaded rod (5), and the threaded rod (5) and the nut (6) are matched.

3. A micro screw clamping structure according to claim 1, characterized in that: The clamping assembly (7) comprises a left lock buckle (701), a clamping groove (702), a silicone pad (703), a circular groove (704), a left push button (705), a U-shaped magnetic block (706), a through hole (707), a limiting column (708), a right lock buckle (709), an installation groove (710), a clamping block (711), a tenon groove (712), a right push button (713), a square magnetic block (714), a through hole (715) and a tenon (716); a left lock buckle (701) is arranged on the outer side of the threaded rod (5); a clamping groove (702) is provided on the outer side of the left lock buckle (701); a silicone pad (703) is fixedly installed on the outer side of the left lock buckle (701); a circular groove (704) is provided on the top of the left lock buckle (701); a left push button (713) is fixedly installed on the outer side of the left lock buckle (701); (705), a U-shaped magnetic block (706) is fixedly installed on the top of the left lock buckle (701) through a limiting column (708), a through hole 1 (707) is opened on the top of the U-shaped magnetic block (706), a right lock buckle (709) is arranged on the outer side of the threaded rod (5), a mounting groove (710) is opened on the top of the right lock buckle (709), a clamping block (711) is fixedly installed on the outer side of the right lock buckle (709), a mortise (712) is opened on the outer side of the right lock buckle (709), a right pressing button (713) is fixedly installed on the outer side of the right lock buckle (709), a square magnetic block (714) is fixedly installed on the top of the right lock buckle (709) through a tenon (716), a through hole 2 (715) is opened on the outer side of the square magnetic block (714), and the clamping assembly (7) is in contact with the threaded rod (5).

4. A micro screw clamping structure according to claim 3, characterized in that: The clamping slot (702) and the clamping block (711) are matched with each other, and the left pressing button (705) and the right pressing button (713) are of the same size and structure.

5. The micro screw clamping structure according to claim 3, characterized in that: The circular groove (704) has the same aperture as the first through hole (707), and the limiting column (708) is compatible with both the circular groove (704) and the first through hole (707).

6. A micro screw clamping structure according to claim 3, characterized in that: The mortise groove (712) and the second through hole (715) have the same aperture, and the tenon (716) is compatible with both the mortise groove (712) and the second through hole (715).

7. A micro screw clamping structure according to claim 3, characterized in that: The left push button (705) and the right push button (713) are of the same size, and the U-shaped magnetic block (706) is in contact with the square magnetic block (714).

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